疾病控制中心的调查规模为中央统计局调查规模的1/10，每两年开展一次调查，而中央统计局的调查是10年举行一次。
The CDC survey is based a sample about one-tenth the size of the CBS study's, and comes out every two years, while the CBS survey is held once in 10 years.
另外开展了一次实地调查，确定这些家庭是否从2005年前安装的深管井中获取饮用水。
A field survey was carried out to determine whether households obtained drinking water from deep tube Wells installed in 2005.
美国证交会近期对金融危机时期出现违约的抵押债券交易所开展了一系列调查，这是其中最新的一次行动。
This is the latest action in a string of SEC investigations into mortgage bond deals that went bust during the financial crisis.
去掉开展了一次对大学生技能的调查研究。
Last year a research was carried out on the skills of university students.
2005年开展的一次婴儿喂养调查显示，痛苦的喂养经历和缺乏帮助是妈妈们停止母乳喂养的主要原因。
The 2005 infant feeding survey found that painful feeding and lack of support were the main reasons why mums stopped breastfeeding.
该报告显然是在对德里乞丐开展了迄今为止最为全面的一次调查之后才出炉的。
The report entailed the fullest survey ever conducted of Delhi's beggars. It offers revealing insights into their earning potential.
这次调查覆盖了全美1590位积极旅行者，调查时间为2009年2月至3月，由YankelovichInc公司和Ypartnership联合每年开展一次。
The nationally representative survey of 1, 590 active travelers was conducted during the months of February and March, 2009, and is co-authored annually by Ypartnership and Yankelovich, Inc.
2008年4月开展的一次类似调查发现，只有9%的受访旅行者曾经发布过评论，5%对评论进行了回复，而3%加入了与旅游相关的博客。
In a similar study conducted in April 2008, only 9% of travelers surveyed had posted a review, 5% commented on a review, and 3% participated in a travel-related blog.
上周，位于牛顿市的在线旅游社区网TripAdvisor开展了一次民意调查，在5000多名受访者中，34%表示去年其发现了隐性收费增多。
Last week, TripAdvisor, a Newton-based online travel community, posted a poll in which 34 percent of more than 5, 000 respondents reported uncovering more hidden fees in the past year.
金融人力资源公司Accountemps开展的一项调查显示30%的招聘经理都认为在第一次面试中就询问薪资问题是恰当的。
A survey developed by financial staffing firm Accountemps revealed that 30% of hiring mangers felt it was appropriate to inquire about salary during the first in-person interview.
社会学家曾在特定地区开展过一次调查项目。
Sociologists used to implement a surveillance program in selected areas.
为了解开人们的疑问，一个由不少于20人的调查队开展了一次非正式的调查。
In order to remove people's doubt, a team of no less than 20 people carried out an informal investigation.
为了解开人们的疑问，一个由不少于20人的调查队开展了一次非正式的调查。
In order to remove people's doubt, a team of no less than 20 people carriedout an informal investigation.
本文是对198位非英语专业在校生而开展的一次关于英语自主学习态度的调查。
This study is a survey of 198 non-English majors' perspectives of English learning autonomy.
广东省1月开展的一次企业家调查显示，62%的人对自己孩子接手家业不放心。
January survey of entrepreneurs in wealthy Guangdong Province revealed 62 percent most worried about their heirs' ability to take over.
自1965年以来，日本烟草公司每年开展一次日本吸烟率调查。
JT has conducted its Japan Smoking Rate Survey annually since 1965.
第一次调查开展于1988至1994年之间，有将近3000名青少年参与测试。
The first involved almost 3,000 adolescents tested between 1988 to 1994.
第一次调查开展于1988至1994年之间，有将近3000名青少年参与测试。
The first involved almost 3,000 adolescents tested between 1988 to 1994.
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